is it possible to transform a bitmap/bitmapData class

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  You are not sure if it is possible, but is it possible to transform a clip of 15 frames per second in a 30 fps clip?

  Depending on what your after you might also go this route:

  Film

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  2. Select Edit > film.

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  http://helpx.Adobe.com/en/Premiere-Pro/using/modifying-clip-properties-interpret-footage.h tml

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• Is it possible to convert a bitmap to a Sprite?

  Hello, do someone knows if it is possible to convert a bitmap to a Sprite?

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• Cannot be implicitly cast to Bitmap in class?

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  I created a dynamic ResourceLoader class that loads all the necessary assets in an internal dictionary, store the Loader.content (which is a bitmap object) indexed by a string name. Everything works fine and dandy when I clone() the bitmapdata and cast to an object of display, but when I try to do the same thing and assign setStyle, I get this weird error:
  
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  I thought about it, even if it does not solve my problem.

  A 'class' is that actionscript is a static class - while Bitmap@c479439 is an instance of Bitmap. So it makes sense why it cannot convert!

  I love being a n00b ActionScropt!

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• Changing Bitmap color using colorTransform

  I have a bit of a problem where I have a function that takes a ColorPickerEvent. I'm a "loaded bitmap" colorTransform to a movieclip to the selected color, but for some reason any, it does not

  // colour 
  function setColourFor(e:ColorPickerEvent){
            var image:InteractivePNG = getChildByName(type) as InteractivePNG; // movieClip
            var bitmap:Bitmap = image.getChildAt(0) as Bitmap; // loaded PNG
            
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            c.color = e.color; // colorpickerevent
            
            
            bitmap.transform.colorTransform = c;
       }
  

  the color of the bitmap image does not seem to change.

  It works but if I had to define movieclip colorTransform (var image)

  I want to emphasize that the Bitmap contains PNG's with transparency

  Hello

  Change the last line of your service for:

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• How to get bitmapData from an Image control

  Hello
  
  Can someone help me understand this. I know I can use the "embed" tag to get the MXML compiler to associate a .jpg file with a class and then create a BitmapAsset object - and exit at his 'bitmapData '.
  
  I am loading files from a server dynamically .jpg using the Image control. I don't think that the Image control has a property 'bitmapData '. How to get a BitmapAsset of an Image control?
  
  Those of you guys informed here searching to help noobs - ty much in advance.

  the Image control was a parameter called the content that you can access only if the crossdomain.xml allows...

  This parameter is a Bitmap and contains the Bitmap bitmapData class...

• Blend two bitmaps in a new BitmapData, using a blend shader

  Hello

  I have:

  Two images of the same size as bitmap BitmapData.

  I want to:

  A largest BitmapData, with the two images mixed in a slope like that...

  1st row: [BitmapData 1]

  2nd row: [BitmapData BitmapData 2 1 mixed up on the top of the page, alpha 0.1]

  Row 3: [1 BitmapData with BitmapData 2 mixed up on 0.2, alpha]

  Row 4: [1 BitmapData with BitmapData 2 mixed on 0.3, alpha]

  ....

  Line n: [BitmapData [2]

  ------------------------------------

  I can easily implement this using the standard alpha blending. However, I would use my own algorithm of mix, and do it with actionscript is too slow. Therefore, I would like to implement the merge as a Pixel Bender shader function. I came here to make a function that works with the standard alpha blending and no shader custom involved:

  protected function createGradientLookupTable( bitmapAtBlend0:BitmapData, bitmapAtBlend1:BitmapData, steps:uint ):BitmapData {
    var gradient:BitmapData = new BitmapData( 256, bitmapAtBlend0.height * steps );
    var translationMatrix:Matrix = new Matrix();
    var alphaTransform:ColorTransform = new ColorTransform();

    for( var row:int = 0; row < steps; row++ ) {
        gradient.draw(bitmapAtBlend0, translationMatrix);
        alphaTransform.alphaMultiplier = row / ( steps - 1 );
        gradient.draw(bitmapAtBlend1, translationMatrix, alphaTransform );
        translationMatrix.translate( 0, bitmapAtBlend0.height );
    }

    return gradient;
}


  This method works. At first, I did a fusion of shader to Pixel Bender, just to check if I can load into my Flash Builder project and operate standard alpha. This filter works in Pixel Bender 2.5:

  <languageVersion : 1.0;>
kernel BlendHCL
<   namespace : "com.yadayada";
    vendor : "Yada Yada";
    version : 1;
    description : "Blends colors using hue chroma luma";
>
{
    input image4 src1;
    input image4 src2;
    output pixel4 dst;

    parameter float alpha;

    void
    evaluatePixel()
    {
        float4 pixelBottom = sampleNearest(src1,outCoord());
        float4 pixelTop = sampleNearest(src2,outCoord());

        dst = pixelBottom + ( pixelTop - pixelBottom ) * alpha;

    }
}


  Don't mind the description etc., currently it's supposed to only must accept a parameter alpha and mix using the standard alpha blending. Just to see I can make it work. Here is my Actionscript code is modified to use the custom mixer, this code does NOT work:

  protected function createGradientLookupTable( bitmapAtBlend0:BitmapData, bitmapAtBlend1:BitmapData, steps:uint ):BitmapData {
    var gradient:BitmapData = new BitmapData( 256, bitmapAtBlend0.height * steps );
    var translationMatrix:Matrix = new Matrix();
    var bitmap1:Bitmap = new Bitmap( bitmapAtBlend1 );
    var blendShader:Shader = new Shader( blendShaderCode );

    for( var row:int = 0; row < steps; row++ ) {
        gradient.draw(bitmapAtBlend0, translationMatrix);
        blendShader.data.alpha.value = [ row / ( steps - 1 ) ];
        bitmap1.blendShader = blendShader;
        try {
//            gradient.draw( bitmap1, translationMatrix ); // doesn't work
            gradient.draw( bitmap1, translationMatrix, null, BlendMode.SHADER ); // doesn't work either
        }
        catch( e:Error ) {
            trace( "Error happened! " + e.message ); // No error messages reported
        }
        translationMatrix.translate( 0, bitmapAtBlend0.height );
    }

    return gradient;
}


  This code change does not report the errors, it is just as if the alpha is always 1.0. The second image completely replaces the first. This is the expected result if the shader blend is not implemented at all. All the example code that I find using a blend shader, mixes just the colors directly on the screen, not in a new Bitmap or BitmapData object. Can anyone help?

  PS: Debugging in Flash Builder 4.7 and inspect the variables indicate that I have an object valid shader (blendShader).

  It seems to me I couldn't do it as I wanted. Instead, I created a shader that could create the gradient while only once and actually an object instance ShaderJob in Flash to do the job. Here is the code of the shader which results from:

  
  
  kernel BlendHCL
  <   namespace : "com.yadayada";
      vendor : "Yada Yada";
      version : 1;
      description : "Blends colors using hue chroma luma";
  >
  {
  
      input image4 src1;
      input image4 src2;
      output pixel4 dst;
  
      parameter float imageHeight
      <
          minValue:     1.0;
          maxValue:    64.0;
          defaultValue: 2.0;
          description: "The height of the images that will be blended in the gradient result";
      >;
  
      parameter float steps
      <
          minValue:      2.0;
          maxValue:   1024.0;
          defaultValue: 64.0;
          description: "The number of shades in the gradient";
      >;
  
      void
      evaluatePixel()
      {
  
          float2 sampleCoord = outCoord();
  
          sampleCoord.y = mod( sampleCoord.y, imageHeight );
  
          float4 pixelBottom = sampleNearest(src1,sampleCoord);
          float4 pixelTop = sampleNearest(src2,sampleCoord);
  
          float alpha = floor( outCoord().y / imageHeight ) / ( steps - 1.0 );
  
          dst = pixelBottom + ( pixelTop - pixelBottom ) * alpha;
  
      }
  }
  
  

  The following Actionscript code:

            public function createGradientLookupTable(bitmapAtBlend0:BitmapData, bitmapAtBlend1:BitmapData, steps:uint):BitmapData {
                 var shader:Shader = new Shader( blendShaderCode );
  
                 shader.data.imageHeight.value = [ Number( bitmapAtBlend0.height ) ];
                 shader.data.steps.value = [ Number( steps ) ];
  
                 shader.data.src1.input = bitmapAtBlend0;
                 shader.data.src2.input = bitmapAtBlend1;
  
                 var result:BitmapData = new BitmapData( 256, bitmapAtBlend0.height * steps );
  
                 var shaderJob:ShaderJob = new ShaderJob(shader, result);
  
                 shaderJob.start( true );
  
                 return result;
  
            }
  
  
  

  It worked. The shader still conducting a standard alpha blending, but now I go to do the actual shader of coding.

• Is it possible to implement a 4-bit image?

  Hello!

  I have some files exotic image, with one 16-bit channel. Currently I am able to display them in flex by translating this 4 channel 8 in a bitmapData and using a shader. But the problem is that it takes twice the memory, that should be (16 bit to 32 bit...).

  I'm wondering is - it possible to somehow extend the BitmapImage class, and override the important methods to somehow solve this problem?

  Thx for the help!

  Hello

  I think documentation is clear:

  A type of BitmapData object is stored as a buffer of 32-bit integers.   Each 32-bit integer determines the properties of a single pixel of the bitmap.

  I checked on the Flash Player JIRA and some people have the same problem:

  https://bugs.Adobe.com/jira/browse/FP-441

  Sign in / register and vote in favour. Let Thibault Imbert ( Flash Player Product Manager) know what your needs are by posting a comment.

  And if as many people as possible to vote for this issue in JIRA, which would give him a big boost.

  Kind regards
  Karl.